package com.wlz.structural.facade;

public class ModenPostOffice {
    private ILetterProcess letterProcess = new LetterProcessImpl();
    private Police letterPolice = new Police();

    //写信、封装、投递一体化
    public void sendLetter(String context, String address) {
        //帮你写信
        letterProcess.writeContext(context);
        //写好信封
        letterProcess.fillEnvelope(address);
        //检查信件
        letterPolice.checkLetter(letterProcess);
        //把信放到信封中
        letterProcess.letterInotoEnvelope();
        //邮递信件
        letterProcess.sendLetter();
    }

}
